13th -23rd round: Make the pineapples with the number of single crochets Indicated on the crochet pattern.

24th - 50th round: Follow the crochet pattern.

51st round: Finish each pineapple with 2 double crochets, 2 chains, 2 double crochets hooked in the same arc 2 double crochets hooked in the following arc, 5 chains: turn the work on the wrong side to make 1 sleep stitch in the arc of 2 chains (see the arrow in the crochet pattern) Turn the work on the right site and make 1chain, 6 single crochets in the arc, 1 chain, then continue on the preceding round with 2 double crochets, 2 chains, 1 single crochet, 5 chains, 1 single crochet, 4 chains, one shell (of 2 double crochets, 3 chains, 2 double crochets). 4 chains and 1 single crochet hooked on the 3rd double crochet of the round before the last covering thc arc of the last round, 4 chains and 1 single crochet hooked under the 2 arcs of the preceding rounds. Finish according, to the single crochet.

Source: Magic Crochet.

You can find other free patterns of a crochet Table Cloth Engagement and and Crochet Table Runner Flowers.